The LSM "One-Tool" is like having 16 valve lash adjusting tools in one. "One-Tool" configures to adjust ALL shaft and stud mount rocker systems on the market today. Now you don't have to buy a new valve lash adjusting wrench for each different rocker system. Buy "One-Tool" and you will always have the right tool to adjust your valves no matter what rocker system you have. Just snap on the appropriate standard 1/2" drive socket, insert the correct hex key and you are good to go. The LSM "One-Tool" has great balance and feels good in your hand. I has a knurled anti-slip handle that gives you great grip even with the most slippery synthetic oils. It is designed with the correct length to easily tighten down any adjuster nut and makes breaking loose stubborn adjusters easy. Includes 4 bushings to accept the 4 offered sizes of T-Handles.Sockets and T-Handles not included.Pit Stop USA offers LSM "One-Tool" Valve Lash Adjusting Tool 1T-100 at low everyday prices. Be sure to check out all of our products from LSM Racing Products including LSM Racing Products Valve Lash Wrenches.